Thats a lot of unnecessary materials. 1708 core 1708 csm (optional) hull Thats all ya need. Use some corebond or cabosil with the resin to make putty to smooth out any sharp edges so the fiberglass lays as smooth and flat as possible to avoid any possible air bubbles/pockets. Like here when I did my...

When I did mine, I did a layer of 1.5 oz CSM on the hull, then a layer of 1708, then the core, then a layer of 1708 over the core. Unless you really ground down the hull, no need for all that. Cant say I have heard of Isophthalic resin myself. Everyone typically uses Poly or Epoxy resin.

Awesome! Keep the pictures coming. Love my kids Vixen! Thing is an absolute blast to drive.

This is how I did it. Hope this helps - https://www.hydrostreamforums.com/viewtopic.php?p=8753#p8753

Looking great!

That thing is looking great! Glad to see you tracked one of them down and able to bring it back to life! Excellent job my friend! Can't wait to see it on the water.

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Looks awesome! You make it look easy!

Looks great Ron!!!! Cant wait to see some pictures of it in the water.

I just noticed some screws in your rigging hose at the adapters. That to keep the hose from coming off? I might need to do that on the motor side of my boat and never thought of doing that.

Can't wait to see this come together.